package com.yyy.dm.consumer.service;

import com.alipay.api.AlipayApiException;
import com.alipay.api.AlipayClient;
import com.alipay.api.DefaultAlipayClient;
import com.alipay.api.request.AlipayTradePagePayRequest;
import com.yyy.dm.config.AlipayConfig;
import com.yyy.dm.consumer.feign.order.DMOrderFeign;
import com.yyy.dm.consumer.feign.scheduler.DMSchedulerSeatFeign;
import com.yyy.dm.order.DMOrder;
import org.springframework.stereotype.Service;

import javax.annotation.Resource;
import javax.servlet.ServletResponse;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.HashMap;

@Service
public class TradeConsumerService {
    @Resource
    private DMOrderFeign dmOrderFeign;
    @Resource
    private DMSchedulerSeatFeign dmSchedulerSeatFeign;

    public void pay(String orderNo, ServletResponse response) throws IOException, AlipayApiException {
        response.setContentType("text/html;charset=utf-8");
        PrintWriter out = response.getWriter();
        //获得初始化的AlipayClient
        AlipayClient alipayClient = new DefaultAlipayClient(AlipayConfig.gatewayUrl, AlipayConfig.app_id, AlipayConfig.merchant_private_key, "json", AlipayConfig.charset, AlipayConfig.alipay_public_key, AlipayConfig.sign_type);
        //设置请求参数
        AlipayTradePagePayRequest alipayRequest = new AlipayTradePagePayRequest();
        alipayRequest.setReturnUrl(AlipayConfig.return_url+"?orderNo="+orderNo);
        DMOrder dmOrder = dmOrderFeign.findOrderByOrderNo(orderNo);

        //商户订单号，商户网站订单系统中唯一订单号，必填
        String out_trade_no = orderNo;
        //付款金额，必填
        String total_amount = dmOrder.getTotalAmount().toString();
        //订单名称，必填
        String subject = dmOrder.getItemName();
        //商品描述，可空
        String body = "你好";

        alipayRequest.setBizContent("{\"out_trade_no\":\""+ out_trade_no +"\","
                + "\"total_amount\":\""+ total_amount +"\","
                + "\"subject\":\""+ subject +"\","
                + "\"body\":\""+ body +"\","
                + "\"product_code\":\"FAST_INSTANT_TRADE_PAY\"}");
        //请求
        String result = alipayClient.pageExecute(alipayRequest).getBody();
        //输出
        out.println(result);
    }

    public void payCallBack(String orderNo, String trade_no, HttpServletResponse response) throws Exception {
        dmOrderFeign.updateOrder(new HashMap<String,String >(){{put("orderNo",orderNo);put("trade_no",trade_no);}});
        dmSchedulerSeatFeign.updateSchedulerSeatPay(orderNo);
        response.getOutputStream().print("<script>location.href = 'http://localhost:8080'</script>");
    }

}
